diff --git a/src/plugins/card-io.ts b/src/plugins/card-io.ts
index e38e2b8788..fec7fe8f7a 100644
--- a/src/plugins/card-io.ts
+++ b/src/plugins/card-io.ts
@@ -45,7 +45,7 @@ export class CardIO {
    * @param {CardIOOptions} options Options for configuring the plugin
    */
   @Cordova()
-  static scan(options?: CardIOOptions): Promise<any> { return; }
+  static scan(options?: CardIOOptions): Promise<CardIOResponse> { return; }
 
   /**
    * Retrieve the version of the card.io library. Useful when contacting support.
@@ -73,3 +73,14 @@ export interface CardIOOptions {
   useCardIOLogo?: boolean;
   supressScan?: boolean;
 }
+
+export interface CardIOResponse {
+  cardType: string;
+  redactedCardNumber: string;
+  cardNumber: string;
+  expiryMonth: number;
+  expiryYear: number;
+  cvv: string;
+  postalCode: string;
+  cardholderName: string;
+}